Midas Creek

Occurrence, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale AR
Quadrangle map, 1:63,360-scale D-1
Latitude 67.85
Longitude -156.22
Nearby scientific data Find additional scientific data near this location
Location and accuracy Location is on Midas Creek at approximately 2800 ft. (700 m) elevation in T. 28 N., R. 12 E., Kateel River Meridian. Location shown as locality 63 in Mayfield and Grybeck (1978), and is accurate to within 2000 ft. (600 m).

Geologic setting

Geologic description

Subeconomic concentration of small particles of gold in lower course of Midas Creek. Gravel in upper course of Midas Creek is not auriferous (Degenhart and others, 1978, p. 377-379).
Geologic map unit (-156.222833356771, 67.8494876964915)
Mineral deposit model Stream placer (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a

Production and reserves

Workings or exploration U.S. Bureau of Mines sampling program ( Degenhart and others, 1978, p. 378, 381-382, and fig. 20) showed the following: Sample BM 668: piece of quartz in stream float contained 7.2 ppm Ag and 145 ppb Au. No bedrock source found; Sample BM 677: stream silt sample contained 510 ppb Au; Sample BM 678: stream silt sample contained 50 ppb Au.
Indication of production Undetermined
Reserve estimates No significant production or potential (Degenhart and others 1978).

Additional comments

Located within Gates of the Arctic National Park.

References